77231151760 has 160 divisors (see below), whose sum is σ = 208104537600. Its totient is φ = 26108780544.

The previous prime is 77231151743. The next prime is 77231151773. The reversal of 77231151760 is 6715113277.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12589654 + ... + 12595786.

It is an arithmetic number, because the mean of its divisors is an integer number (1300653360).

Almost surely, 2^77231151760 is an apocalyptic number.

77231151760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77231151760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104052268800).

77231151760 is an abundant number, since it is smaller than the sum of its proper divisors (130873385840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77231151760 is a wasteful number, since it uses less digits than its factorization.

77231151760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6465 (or 6459 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 40.

The spelling of 77231151760 in words is "seventy-seven billion, two hundred thirty-one million, one hundred fifty-one thousand, seven hundred sixty".